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Old 05-05-2015, 03:35 PM   #1
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Thickness of plywood for 12X8 shed?


I am thinking about building 12' by 8' shed, what is the thinnest plywood that would be suitable sheathing? The shed isn't going to be a palace but it needs to be sturdy.

Also for a shed this size would 2X3 studs be reasonable?

Thanks

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Old 05-05-2015, 05:01 PM   #2
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1/2 will be fine.
Why would use 2 X 3's?
Only going to save a few dollars and going to end up spending more money on nail shields if you ever add wiring.

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Old 05-05-2015, 05:30 PM   #3
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Yes probably forget 2X3s, they don't come in 12' lengths anyways.
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Old 05-05-2015, 07:00 PM   #4
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Why would you want the ceilings 12' high for just a shed?
Making a whole lot more work and expenice not having just 8' walls.
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Old 05-05-2015, 08:16 PM   #5
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probably means for the 12' plates
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Old 05-05-2015, 09:13 PM   #6
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Quote:
Originally Posted by darsunt View Post
I am thinking about building 12' by 8' shed, what is the thinnest plywood that would be suitable sheathing? The shed isn't going to be a palace but it needs to be sturdy.

Also for a shed this size would 2X3 studs be reasonable?
Just go with 2x4 studs and plates.

If your wall studs are 16" apart, then 3/8" wall sheathing should be OK. If the wall studs are 24" apart, I would go with 1/2" wall sheathing.

As far as roof sheathing, I will only go with 5/8" plywood for my sheds. Research showed that 1/2" plywood for roof sheathing can be acceptable but I prefer 5/8" and I want the roofing nails to penetrate all the way through for maximum asphalt shingle holding power.

Install soffits if you don't want to see the nail penetrations through the sheathing under the eaves.

Just my $.02,
HRG

Last edited by Homerepairguy; 05-05-2015 at 09:26 PM.
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Old 05-05-2015, 09:26 PM   #7
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Ever tried installing siding over 3/8 sheathing? Talk about bouncing.
No way would I use 3/8!
Your talking penny's to do it right.
Biggest thing is to build this so the sheathing is at least 6" above grade.
If not waters going to come in under the wall and the sheathing and siding will be damaged.
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Old 05-05-2015, 09:40 PM   #8
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Quote:
Originally Posted by joecaption View Post
Ever tried installing siding over 3/8 sheathing? Talk about bouncing.
No way would I use 3/8!
Your talking penny's to do it right.
Biggest thing is to build this so the sheathing is at least 6" above grade.
If not waters going to come in under the wall and the sheathing and siding will be damaged.
Where in the original poster's post does it say he was installing siding???

The sheds I built just used exterior plywood sheathing. Put 1-1/2" inch wide by 3/8" thick battens over the vertical seams, all caulked. With proper painting maintenance, the plywood sheathing holds up excellently.

Please don't read into my posts what is not expressed in the original poster's post! And I noticed that you also questioned why the original poster would use 12' high ceilings. He's talking about a 12' x 8' shed in the horizontal dimensions. He never mentioned 12' vertical height. Reading what you want to in someone else's post again.

HRG

Last edited by Homerepairguy; 05-05-2015 at 09:46 PM.
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Old 05-05-2015, 09:53 PM   #9
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"but it needs to be sturdy" so why would you want 2x3 then? make up your mind, you building cheap and dirty you might as well just buy a shed from big box. if you want it to actually be sturdy, follow advice given above.

by the way, i build a 10x10 and 12' tall claristory garden shed and also wanted it to be sturdy. i used 2x4 wall studs with 2x4 bracing, double top plate. even so.. i didn't feel it was "sturdy" until i wrapped the shed with exterior sheathing, i think its called T1-11 or something like that. putting that stuff on made ALL THE DIFFERENCE to making it feel sturdy. my shed looks a lot like this one http://howtodiy.de.vu/diyshedplans/w...d-design-3.jpg

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Last edited by Knucklez; 05-05-2015 at 09:58 PM.
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